The LG-489 is a seamlessly integrated laser sight for Smith & Wesson's M&P Shield 9mm & .40 S&W concealed carry pistol. This Laserguard® is designed to match the unique design of the pistol, and features our patented Instinctive Activation™ - meaning the laser is activated when the gun is held in a natural firing grip. Quickly installed with no gunsmithing required, the LG-489 is also fully adjustable for windage and elevation.

I use a shield for EDC. I have been well satisfied with this site. it is daily in a holster on my person or in its place on a go magnet, or riding in the console of the vehicle. The LG-489 is quite durable I have had no mechanical fit or function issues with the site. As far as quality, There is none better. I think the addition of an On/off switch would be the only possible improvement that could be made to the site. The grip contact area is quite small given the model of firearm it is designed for so relaxing a finger to turn off the laser is not tactically prudent for accuracy if you don't want the brightly visible laser giving away your position. I would also like to move to green laser site as they appear to be more visible for targeting purposes in the day time. but that would be a different review. (Posted on 10/8/2018)

Great lazer Review by David

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Recently purchased a M&P 2.0 Shield 9mm with intergraded CT Lazer. I'm very impressed with the easy activation and it was sighted in very well from factory. I definitely recommend this product cane with a solid gun at a price you can't afford to pass up. (Posted on 7/8/2018)

Crimson Trace Advocate Review by Big Gun

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We own four M&P's with Crimson Trace sights. They are wonderful products and sure help with aging sight. My wife and daughter have the green lasers and they are bright. I have two red ones and like the fact that battery life will be longer. CT's customer service is great too! (Posted on 3/23/2018)

Has a staying on problem. Review by 3 & OUT

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Have had 3 Lg489,s and all have the same failings.
Shoot a lot and the laser will go out - everyone did the
same thing .
Common thread is we shoot between one and two hundred round action pistol scenarios - both open sight (cover the laser with tape ) and with the laser.).
After about 40 - 60 continuous rounds or so the laser will just go off shake it ,hit it and it will come back on only to go off again after a few more shots.
Note all 3 of my lasers have done this even a replacement one
that was tested as good .
I think the laser is fine but the battery drains and takes a few moments to regenerate to power the laser.

I carry shields knowing I wont get into a 50 round gun fight since I don't carry 50 rounds
Just be aware that by my experience there is a problem if your going to blast away I rapid succession. (Posted on 4/12/2017)

One improvement needed Review by Gary

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Fit, installation, and function all perfect, BUT there are times I do not want the laser light on. It gives away my position. It needs an on/off switch. (Posted on 9/21/2016)

Great for us Seniors w/glasses Review by DENNIS

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I'm 72 yrs old and wear glasses for distance. I found it very annoying to align gun sights and then readjust my vision to the target, when I was 'Target Shooting". With a Laser, I use that Laser dot to aim and it's always dead on the target. It's a big help. (Posted on 7/10/2016)

Great tool - great customer service!! Review by Jaque

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I had this item on my Shield for several years and found it to be an invaluable tool on a self-defense weapon. When the pressure switch began to act erratically, I returned it to Crimson trace to inquire about the feasibility of repairing it. I had no sales slip or proof of when I had purchased it. Within one week I received a brand new LG 489. That goes beyond customer service and will certainly keep me as one of their loyal customers. (Posted on 4/2/2016)

not for day time use Review by Joe

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I like to say that this laser works well in low light only , at sun down , up to 50 yards, Its not good in day light like the company says I tested it today at noon and can only see it on a white paper target 20 ft max , not up to 50 like the company say , (Posted on 1/10/2016)

Exactly what I needed. Review by Steven

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I am very happy with this product on my Shield 40. Installed quickly and flawlessly. Took it to the indoor range to adjust. Go easy on the adjustments, you may just have it not installed properly if it takes too much to align. No problem here. Great product so far. Have taken it off for cleaning and outdoor range shooting. No problem, just don't like to do that too often. Home defense purpose will leave it on. (Posted on 1/10/2016)

Dissapionted Review by Joe

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The laser light is weak , it looks spread out, .one beam in center surrounded by specs . I will contact them and send this one back , but I don't want to waste anymore of my time , and have any more problems. (Posted on 1/10/2016)

Very disappointed Review by Phenozine

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I have had CT lasers on all my EDC guns and this by far is the worst one. Will not stay zeroed, goes in and out and after about 100 rounds it now blinks randomly. This is after changing the batterie in it. This has made me rethink trusting my life to a CT laser. (Posted on 2/19/2015)

Better Shooter Review by Gwampa Dead-Eye

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I originally bought this for low-light home defense use but have discovered that it is also a fantastic training aid!

Dry fire practice watching the laser move (or not) has improved my grip and trigger control. It has helped me become more accurate with and without the laser sight. Win!

I'm likely to get more and would recommend the LaserGuard for anyone who is interested in shooting better.

Instinctive Activation is a big plus and my LaserGuard looks just like it is part of the pistol... not a clumsy bolt-on. It goes in and out of my holster without a hitch! (Posted on 2/17/2015)

2015 Review by Amazon

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Great product. Love the fit on my M&P Shield 9mm. I would recommend buying them on Amazon. Only $180 including shipping. But again, super happy with this purchase of another great Crimson Trace product! (Posted on 1/26/2015)

Simple installation, nice fit. Review by Jeffro

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I haven't shot with it but installation was a breeze and the fit looks and feels like it was custom made for my shield. (Posted on 1/19/2015)

Can't say the same Review by Toolstouse

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cannot keep lasers sighted after 2 shots it is off target and this is the second laser that Crimson trace sent me ,have a grip laser on a 1911 and works very good ,I think the kick is to hard for the trigger guard laser on the shield. (Posted on 12/31/2014)

The Best Bar None Review by DrJCM020

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I have had two CTC laser, this being my second. For what this firearm is designed to do and further what is capable of, anyone who owns the M&P Shield firearm would be doing themselves and their loved ones a great injustice by not purchasing this laser and keeping it on their person at all times. I can't say enough good things. This laser has dramatically increased my wife and I's accuracy greatly. Special consideration is given to the fact we both need to wear glasses. One good shot from the bad guy at night time and without this laser, I'd say, I'd be pretty much up s**t creek without a paddle. With the laser.... no worries... its sorted. (Posted on 12/28/2014)

excellent product, very satisfied!! Review by steven

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I just returned from the range. shot 150 rounds, 115g FMJ. I must say I am very pleased! My expectations were exceeded immensely! I made no adjustments. Just installed and proceeded firing. At 15' and taking my time, I was putting bullet on top of bullet. 3 mag's I had a 3" group. at 25' i was in about a 12" group and 50' wasn't far behind. the bullets were following the dots, i'm just not as steady as i used to be. I highly recommend this for the M&P Shield 9mm. the fit is excellent. The grip activation is great, the button is very low profile and barely notice it's even there. once i started shooting i didn't even notice and it felt natural. i had to laugh when i stopped to reload my mag's i noticed it was oddly quiet, then i saw the group of fellow shooters behind me watching, lol. I will soon be purchasing one for my Taurus 709 Slim and will enjoy testing that as well. They don't make one for my SD9, so I'll try a railmaster on that and post reviews on both the 709 and the SD9 as they come. (Posted on 10/25/2014)

Only Missing One Thing Review by Mark G

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I bought two CT's, one for my Glock Model 22 and one for my S&W Shield. Both are wonderful products, excellent fit and function but the LG-489 is missing a master on-off switch! (Posted on 8/5/2014)

shield 9 and I love it. Review by Onemoregun

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I have one of these units on my shield 9 and I love it. It makes training my kids very easy to get on target. I'm saving money for a unit for my shield 40. (Posted on 5/17/2014)

Need a full sized version Review by Richard

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I love this style of laser but Crimson Trace does not offer it for a full sized pistol. I have smaller hand and the laser grip for the full sized .45 is too large for me to accurately control the pistol. And I hate the rail mounted lasers (always go out of adjustment and they are not as easily deployed) so that leaves me with this option and its simply not available. (Posted on 1/22/2014)

Green Please! Review by Stephen

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I'm all over this when CT releases it in green. The Shield is my wife's EDC, and I'm looking forward to adding this to her slim heater. (Posted on 1/21/2014)

Issue with intermitent off Review by Dubya

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Mine will stop working and suddenly start again, even after CT sent a replacement battery. I suspect the contacts and might try that but may send back for another. All in all disappointed thus far but I will try another unit. Mine is an lg489 for a shield. (Posted on 1/20/2014)

Love It! Review by HEMI

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This makes my Shield 40 twice as nice. The accuracy is incredible. Besides the accuracy, the ergonomics of the LG 489 makes it perfect for my fore thumb placement. My groups were tighter than ever.... I did have one issue though... it stopped working in the middle of a magazine and then came back on after another shot. It did this a few times. I had to tighten the battery by pulling a bit on the contact spring. Not a big deal. Worth every penny! Fitment and looks are perfect! (Posted on 1/11/2014)

Another great product from CT Review by TommyG

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love how this laser fits and works. This is my second laser guard laser and I didn't hesitate to order this for my new Shield. Simple installation and stays true. (Posted on 12/21/2013)

Accuracy Review by TBH

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This is my second CT site. It amazes me how much accuracy increases by using the laser. After installation I sighted it in and then put four out of eight rounds into the same hole at fifteen yards. The overall group was under two inches and all done off hand. Wish the shield had a better trigger. CT is the only laser that I will buy! (Posted on 12/3/2013)

None better Review by JAMIN

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Installed this on my 9mm shield with ease. Once zeroed, has hit same point every time. Have taken a few spills on my mountain bike and the zero is still true. Tough and dependable, combine that with the DeSantis holster and that is now my go to carry and home defense gun. (Posted on 11/19/2013)

Sexy and form-fitting with nice sight picture Review by Wells

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I purchased the CT laserguard 489 over the laser max assuming the increased price would yield greater quality. I can't confirm this assumption as I have not used the Lasermax. However, I can say that this little laser is great! No problems installing on my 9mm shield. No interference with the mag release. I will say, however, that I was a little disappointed that the piece does not come equipped with metallic threading for the screws. Whenever I turn or tighten them I'm afraid I'll strip something. I registered the product, so I have confidence in CT to replace it if anything like that were to occur. Overall, i confidently trust my life with the shield and the CT laserguard. Thanks CT! (Posted on 5/14/2013)

xcellent product. See review for comments on mag release 'problem.' Review by Jose

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Very good fit and function. The mag release 'problem' complained about by other reviewers is easily avoided by carefully putting the halves together at the trigger guard end first. No mod is necessary.. Excellent product. Bought thru Optics Planet at great price.
(Posted on 1/17/2013)

LaserGuard & LaserGrip Review by SilasGreen

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I purchased a S&W M&P Shield .40 and installed the LG-489 LaserGuard. It fit perfectly. Does NOT interfer with the magazine release, as some have indicated. Sight dead on. First two rounds fired at 50 ft were in X ring. I pull the third round into 9 ring. Love it. Works great at the LazerGrip on my S&W M&P .40c Compact. The grip did take a minor elevation adjustment after the grip was installed on the weapon. Love them both. Great Laser sights. (Posted on 1/16/2013)

Another Mag release problem Review by Too Much Stuff

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I chose a CT Laserguard over the LaserMax brand (even at twice the price) because I wanted the Pressure Activated switch. I also thought CT would be the better quality product. That being said, I'm a little disappointed that a $200 item has to be modified to work correctly.
Mine is the 9MM Shield. I had to use a small round file on the rear of the Laserguard where it was rubbing the Mag release. It was rubbing just enough to keep the release button from popping all the way up when the Mag was inserted. It is an easy fix, but shouldn't have to be done on this expensive product.
I also wish the Laserguard had a master off switch. I would give this a 3.5 instead of a 4 star rating if I had that option. (Posted on 12/30/2012)

LG 489 Blocks Magazine Release Slightly Review by CaptainJim

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I had to Dremel the back of the Laser Grip so it wouldn't impair full activation and reset of the Magazine Release on my Shield .40 Cal.
Shape above the laser activator button needs to be more rounded.
Plus the Laser Grip causes the front of the Trigger Guard to have a small lip on both sides, which could catch your trigger finger and cause it to be slightly blocked upon presenting the arm.
The design of the LG489 needs to be modified a bit so it rides more forward, doesn't block the Magazine Release and creates a smooth continuous surface around the Trigger Guard.
Otherwise, it's great. Looks sharp, works properly, and seems like it was made with the gun. (Posted on 12/14/2012)

Excellent Review by Doc

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I have complete confidence in Crimson Trace. The performance on the M&P Shield is excellent. This is why I own several laser grips and laser guards. (Posted on 11/27/2012)

AWESOME, but one thing to watch for. Review by Curt

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I installed the LG-489 on a 2 week old Shield 40. After sighting in, I put a magazine in and as I aimed it, the Mag fell out. Upon inspection, the CT LG-489 was rubbing against the Mag release on BOTH sides. A careful use of a Dremel Tool and it works flawlessly. This is my third CT product (I also have the LaserGrip for M&P Full Size and the LiteGuard). These products are awesome and you get what you pay for, but I am disappointed the LG-489 didn't fit properly out of the box. But I still have to give it 5 Stars! (Posted on 11/23/2012)

deadly Review by joezyboy

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Very easy to install. I sighted it in for 15 yards can spin my 3inch spinner every time from 10 to 20 yards. Great for low light when you can not really see your sights. (Posted on 9/1/2012)